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Fybogel Mebeverine Orange - 10 Sachets

Fybogel Mebeverine Orange - 10 Sachets

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  • ✔️ Relieves IBS-related constipation and abdominal cramps together
  • ✔️ Contains mebeverine to relax bowel spasms effectively
  • ✔️ Ispaghula husk softens and bulks stools naturally
  • ✔️ Orange-flavoured sachets for easy, palatable daily use
  • ✔️ Suitable for adults and adolescents aged 12 and over

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What Is Fybogel Mebeverine and How Does It Help IBS?

 

If you live with irritable bowel syndrome, you'll know how disruptive it can be. The cramping, the bloating, the unpredictable bowel habits — it affects your day in ways that are hard to explain to anyone who hasn't experienced it. Fybogel Mebeverine is a combination medicine designed specifically for people whose IBS includes constipation alongside painful abdominal spasms. Each orange-flavoured sachet contains two active ingredients working together: ispaghula husk 3.5g and mebeverine hydrochloride 135mg. You can browse our full range of IBS and cramps treatments if you're exploring your options.

This product is available over the counter in the UK, meaning you don't need a prescription to buy it. It's particularly useful when constipation and cramping occur together — something that a single-ingredient product often can't address on its own.

 

How Does Fybogel Mebeverine Work in the Gut?

 

The two active ingredients in Fybogel Mebeverine target different aspects of IBS symptoms simultaneously. Here's how each one works:

  • Ispaghula husk is a soluble dietary fibre derived from the seed husks of Plantago ovata. When mixed with water and swallowed, it absorbs fluid in the intestine, swelling to form a soft, bulky gel. This increases stool volume and softens its consistency, making it easier to pass.
  • Mebeverine hydrochloride is an antispasmodic agent. It acts directly on the smooth muscle of the bowel wall, reducing abnormal contractions without affecting normal gut motility. This helps relieve the cramping and spasm that often accompany IBS.
  • Together, these two mechanisms address both the mechanical and muscular components of IBS-related constipation — something that fibre alone cannot do.

 

Who Is Fybogel Mebeverine Suitable For?

 

This product is intended for adults and adolescents aged 12 and over who have been diagnosed with irritable bowel syndrome and experience constipation as part of their symptom pattern. It's worth noting that IBS should be formally diagnosed by a GP before starting treatment — particularly if you're experiencing symptoms for the first time, as other conditions can present similarly.

Fybogel Mebeverine may be suitable for you if:

  • You have a confirmed diagnosis of IBS with constipation
  • You experience abdominal cramps or spasms alongside infrequent or hard stools
  • You are aged 12 years or over
  • You are not pregnant or breastfeeding (seek medical advice first)

 

How Does Fybogel Mebeverine Compare to Plain Fybogel?

 

Feature Fybogel Mebeverine Plain Fybogel (Ispaghula Husk Only)
Active ingredients Ispaghula husk + Mebeverine HCl Ispaghula husk only
Treats constipation Yes Yes
Relieves cramps/spasms Yes No
Suitable for IBS-C Yes — specifically indicated Partially — addresses stool consistency only

 

How Should Fybogel Mebeverine Be Stored?

 

Store Fybogel Mebeverine sachets below 25°C in a dry place, away from direct sunlight and out of reach of children. Do not use the product after the expiry date printed on the packaging. Once a sachet is opened, it should be used immediately — do not prepare the drink in advance and store it. If you're also managing other digestive health concerns, you might find our constipation treatments collection helpful for comparing available options.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Fybogel Mebeverine Orange 10 Sachets specifications
Treatment category IBS with constipation
Mechanism of action Bulk-forming laxative + antispasmodic
Effective for Constipation and abdominal cramps associated with IBS
Suitable for Adults and adolescents aged 12 and over
Active ingredients Ispaghula husk 3.5g, Mebeverine hydrochloride 135mg per sachet
Pack size 10 sachets
UK classification P (Pharmacy medicine)
Drug class Bulk-forming laxative / Antispasmodic
Preparation Oral granules for solution
Route of administration Oral

Specifications of Fybogel Mebeverine Orange 10 Sachets

 

What Is Fybogel Mebeverine Orange and What Is It Used For?

 

Fybogel Mebeverine Orange is an oral medicine used to relieve the symptoms of irritable bowel syndrome (IBS), specifically when constipation and abdominal cramps occur together. Each sachet contains ispaghula husk 3.5g — a bulk-forming fibre — and mebeverine hydrochloride 135mg, an antispasmodic. The orange flavour makes it more palatable for regular use. It is classified as a Pharmacy (P) medicine in the UK, meaning it is available without a prescription but should be purchased from a registered pharmacy.

 

What Do You Need to Know Before Using Fybogel Mebeverine?

 

Before taking this medicine, read the following carefully. There are situations where Fybogel Mebeverine is not appropriate.

Do not take Fybogel Mebeverine if you:

  • Are allergic to ispaghula husk, mebeverine hydrochloride, or any other ingredient in the sachet
  • Have a bowel obstruction or suspected bowel obstruction
  • Have difficulty swallowing or a narrowing of the oesophagus
  • Are under 12 years of age
  • Have phenylketonuria (the sachets contain aspartame)
  • Have sudden changes in bowel habit lasting more than two weeks without a GP diagnosis of IBS

Drug interactions to be aware of:

  • Ispaghula husk may reduce the absorption of some medicines if taken at the same time — leave at least 30 minutes between taking Fybogel Mebeverine and other oral medicines
  • No significant interactions have been identified with mebeverine hydrochloride at standard OTC doses
  • Always tell your pharmacist about any other medicines you are taking, including herbal remedies

If you are pregnant, planning to become pregnant, or breastfeeding, speak to your GP or pharmacist before using this product. You may also find it useful to explore our women's health range for additional guidance on managing digestive symptoms during pregnancy.

 

How Should You Use Fybogel Mebeverine Correctly?

 

Always follow the instructions on the packaging or as directed by your pharmacist. The steps below reflect standard usage guidance.

  1. Pour the contents of one sachet into a glass
  2. Add approximately 150ml of cold water
  3. Stir briskly and drink immediately — do not allow it to stand, as it will thicken
  4. Take the dose 20 to 30 minutes before a meal
  5. Drink plenty of additional fluids throughout the day (at least 6–8 glasses)
Indication Age Group Dose Frequency
IBS with constipation and cramps Adults and adolescents 12+ 1 sachet Twice daily, before morning and evening meals
IBS with constipation and cramps Children under 12 Not recommended

 

What Are the Possible Side Effects of Fybogel Mebeverine?

 

Like all medicines, Fybogel Mebeverine can cause side effects, although not everyone experiences them. Most are mild and tend to resolve as your body adjusts.

Common side effects:

  • Flatulence (wind)
  • Abdominal bloating, particularly in the first few days of use
  • Mild abdominal discomfort

Less common side effects:

  • Allergic reactions — including skin rash, itching, or hives (stop use and seek medical advice)
  • Difficulty breathing or swallowing if the granules are not taken with enough water
  • Oesophageal obstruction in rare cases if insufficient fluid is taken

If you experience any severe or unexpected symptoms, stop taking the product and contact your GP or pharmacist promptly. For related digestive concerns, our diarrhoea treatments section may also be relevant if your IBS symptoms alternate.

 

How Should You Store Fybogel Mebeverine Safely?

 

  • Store below 25°C in a dry place
  • Keep away from direct sunlight and moisture
  • Keep out of the sight and reach of children
  • Do not use after the expiry date printed on the outer carton
  • Do not prepare the drink in advance — consume immediately after mixing
  • Dispose of unused medicine responsibly — return to a pharmacy for safe disposal

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Fybogel Mebeverine online in the UK?

You can buy Fybogel Mebeverine Orange 10 Sachets directly from Cured Pharmacy, a GPhC-registered online pharmacy. It is available without a prescription as a Pharmacy (P) medicine. Simply add it to your basket and it will be dispatched from our UK-registered pharmacy.

How does Fybogel Mebeverine work in the body?

Fybogel Mebeverine contains two active ingredients that work in different ways. Ispaghula husk absorbs water in the intestine to bulk and soften stools, making them easier to pass. Mebeverine hydrochloride relaxes the smooth muscle of the bowel wall, reducing the painful cramps and spasms that are common in IBS.

How do I use Fybogel Mebeverine step by step?

Using Fybogel Mebeverine correctly is straightforward. Follow these steps:

  1. Empty one sachet into a glass
  2. Add 150ml of cold water and stir briskly
  3. Drink immediately — do not let it stand
  4. Take 20–30 minutes before a meal, twice daily

Always drink plenty of fluids throughout the day to help the fibre work effectively.

What is the correct dose of Fybogel Mebeverine for adults?

The recommended adult dose is one sachet taken twice daily — once before your morning meal and once before your evening meal. Do not take more than two sachets in any 24-hour period. If you are unsure whether this dose is right for you, speak to your pharmacist before starting.

When is the best time to take Fybogel Mebeverine?

The best time to take Fybogel Mebeverine is 20 to 30 minutes before your morning and evening meals. Taking it before eating allows the mebeverine to act on the bowel before the digestive process begins, which helps reduce post-meal cramping. Consistency matters — try to take it at the same times each day.

What are the side effects of Fybogel Mebeverine?

The most commonly reported side effects are flatulence and abdominal bloating, especially during the first few days of use. These typically settle as your gut adjusts to the increased fibre. Rarely, allergic reactions such as skin rash or itching can occur — if this happens, stop taking the product and seek medical advice promptly.

How do I manage bloating when I first start taking Fybogel Mebeverine?

Bloating and wind are common when you first introduce a bulk-forming fibre like ispaghula husk. Drinking plenty of water throughout the day can help reduce this. Most people find that these symptoms ease within the first week as their digestive system adapts to the increased fibre intake.

Who should not take Fybogel Mebeverine?

Fybogel Mebeverine is not suitable for children under 12, people with bowel obstruction, or those with difficulty swallowing. It also contains aspartame, so it is not appropriate for people with phenylketonuria. Always check with your pharmacist if you have any existing health conditions before starting this medicine. You can explore our full IBS and cramps range for alternative options if needed.

Can I take Fybogel Mebeverine if I am pregnant?

If you are pregnant or breastfeeding, you should speak to your GP or pharmacist before taking Fybogel Mebeverine. While ispaghula husk is generally considered low risk in pregnancy, mebeverine hydrochloride has limited safety data in pregnancy. Your healthcare provider can advise on the most appropriate option for you.

What happens if I miss a dose of Fybogel Mebeverine?

If you miss a dose, simply skip it and take your next dose at the usual time before your next meal. Never take a double dose to compensate for a missed one. Missing an occasional dose is unlikely to significantly affect your symptom management, but try to maintain a consistent routine for best results.

How long can you take Fybogel Mebeverine for?

Fybogel Mebeverine can be used on an ongoing basis to manage IBS symptoms, as directed by your GP or pharmacist. However, if your symptoms do not improve after a few weeks of regular use, or if they worsen at any point, you should consult your GP. Long-term use should be reviewed periodically by a healthcare professional.

What are the alternatives to Fybogel Mebeverine for IBS?

Alternatives include plain ispaghula husk products (such as standard Fybogel) for constipation alone, or standalone mebeverine tablets for cramps without constipation. Buscopan (hyoscine butylbromide) is another antispasmodic option. The right choice depends on your specific symptom pattern — browse our constipation treatments for more options.

Can Fybogel Mebeverine be taken with other medicines?

Ispaghula husk can reduce the absorption of other oral medicines if taken simultaneously. To avoid this, leave at least 30 minutes between taking Fybogel Mebeverine and any other oral medication. No significant drug interactions have been identified with mebeverine at standard OTC doses, but always inform your pharmacist of all medicines you are taking.

Is Fybogel Mebeverine suitable for people with diabetes?

Fybogel Mebeverine sachets contain sucrose as well as aspartame, so people with diabetes should be aware of the sugar content. Speak to your GP or pharmacist before using this product if you have diabetes or are monitoring your blood glucose levels. You may also find our diabetes monitoring range useful for managing your overall health.

What is the latest research on ispaghula husk for IBS?

Ispaghula husk (psyllium) is one of the most studied dietary fibres for IBS management. Current NHS and NICE guidance supports the use of soluble fibre as a first-line dietary intervention for IBS with constipation. Research consistently shows it improves stool consistency and frequency, though individual responses vary. Always discuss treatment choices with your GP for personalised advice.

How Should You Use Fybogel Mebeverine?

Fybogel Mebeverine is taken as an oral drink prepared fresh from granules. It is important to prepare and consume each dose correctly to ensure the medicine works as intended and to avoid any risk of the granules swelling before they reach your stomach.

Never take the granules dry or without adequate fluid, as this can cause them to swell in the throat and create a choking hazard.

What Is the Correct Dose of Fybogel Mebeverine?

The dose of Fybogel Mebeverine depends on your age. This product is not recommended for children under 12 years of age. Always follow the dosage instructions on the packaging or as directed by your pharmacist or GP.

Do not take more than two sachets in any 24-hour period. If you feel you need a higher dose to manage your symptoms, speak to your GP rather than increasing the dose yourself.

When Is the Best Time to Use Fybogel Mebeverine?

Timing matters with this medicine. Each dose should be taken 20 to 30 minutes before a meal — ideally before breakfast and before your evening meal. This timing allows the mebeverine component to begin relaxing the bowel smooth muscle before food triggers digestive activity, which is when IBS cramps are most likely to occur.

Try to take your doses at consistent times each day. Building it into your pre-meal routine — for example, preparing your sachet while your breakfast is cooking — can help you remember. Irregular dosing may reduce the overall effectiveness of the treatment.

How Long Can You Use Fybogel Mebeverine For?

Fybogel Mebeverine can be used as part of an ongoing IBS management plan. There is no strict maximum duration for use, but it is good practice to review your treatment with your GP or pharmacist every few weeks, particularly when you first start. If your symptoms have not improved after two to four weeks of regular use, seek medical advice.

You should also speak to your GP if your symptoms change, worsen, or if you develop new symptoms such as rectal bleeding, unexplained weight loss, or persistent vomiting — these require prompt medical assessment regardless of any ongoing treatment.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of Fybogel Mebeverine?

Most people who take Fybogel Mebeverine tolerate it well, particularly once their digestive system has adjusted to the increased fibre intake. The most frequently reported side effects are related to the ispaghula husk component rather than the mebeverine.

  • Flatulence (excess wind)
  • Abdominal bloating
  • Mild abdominal discomfort or fullness

These effects are most noticeable during the first few days of treatment and typically ease within a week. Drinking plenty of water throughout the day can help reduce bloating.

What Are the Less Common Side Effects of Fybogel Mebeverine?

Less commonly, some people may experience side effects that require attention. These are not typical but should not be ignored if they occur.

  • Skin rash, itching, or hives — which may indicate a mild allergic reaction
  • Nausea
  • Difficulty swallowing, particularly if the granules are not taken with sufficient water
  • Oesophageal obstruction — a rare but serious risk if the granules are swallowed dry or without adequate fluid

If you notice any of these symptoms, stop taking the product and speak to your pharmacist or GP promptly.

What Are the Serious Side Effects of Fybogel Mebeverine?

Serious side effects are rare but can occur. Seek immediate medical attention if you experience any of the following after taking Fybogel Mebeverine:

  • Severe allergic reaction (anaphylaxis) — symptoms include swelling of the face, lips, tongue or throat, difficulty breathing, or a sudden drop in blood pressure
  • Severe chest pain or difficulty swallowing that does not resolve — this may indicate oesophageal obstruction
  • Worsening of bowel symptoms, including new rectal bleeding or significant change in bowel habit

These reactions are uncommon, but it is important to be aware of them. Always read the patient information leaflet supplied with your product.

What Should You Do If You Experience Side Effects?

If you experience mild side effects such as bloating or wind, these will often resolve on their own within a few days. Ensure you are drinking enough water and taking the sachet correctly — mixed with cold water and consumed immediately. If side effects persist or are troublesome, speak to your pharmacist who can advise whether to continue or switch to an alternative.

For any suspected allergic reaction or serious side effect, stop taking the medicine immediately and seek medical advice. You can also report side effects directly to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Fybogel Mebeverine Interact With Other Medicines?

Ispaghula husk can reduce the absorption of other oral medicines if taken at the same time. This is because the fibre can bind to other substances in the gut before they are absorbed. To minimise this risk, always leave at least 30 minutes between taking Fybogel Mebeverine and any other oral medication, including vitamins and supplements.

Mebeverine hydrochloride has no clinically significant interactions identified at standard OTC doses. However, always inform your pharmacist or GP of all medicines you are currently taking — including over-the-counter products, herbal remedies, and nutritional supplements — before starting Fybogel Mebeverine.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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